1.

In the of the following pairs of molecules /ions both the species are not likely to exist?A. `H_(2)^(+), He_(2)^(2-)`B. `H_(2)^(-), He_(2)^(2-)`C. `H_(2)^(2+), He_(2)`D. `H_(2)^(-), He_(2)^(2+)`

Answer» Correct Answer - c


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